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Advance Comparison
Model
Brand Name
Polk
Klipsch
Edifier
GENERAL:
Speaker Type
Bookshelf Speaker
Bookshelf Speaker
Bookshelf Speaker
Number Of Channels
2.0 way speaker
2.0 way speaker
2.0 way speaker
Amplification Type
Passive Speaker (External Amp)
Passive Speaker (External Amp)
Active Speaker (Built-in Amp)
Power Source
AC Powered
AC Powered
AC Powered
Control
Handheld Remote
N/A
N/A
Yes
Control by app
N/A
N/A
N/A
Amazon Alexa
N/A
N/A
N/A
Google Assistant
N/A
N/A
N/A
Specs
Power Range
20–150W
Up to 85 watts
R/L: 21W+21W RMS
Sensitivity
88dB
93 dB
N/A
Impedance
4- and 8-ohm
8 ohms
N/A
Frequency Range
44Hz–40kHz
62-21k Hz
55Hz-20KHz
Crossover Frequencies
2.5kHz
1660Hz
N/A
Build Material
Enclosure
Ported
Bass-Reflex
Bass-Reflex
Finish
MDF
MDF/Wood-grain vinyl
MDF wood
Color
Brown, Black, White
Black
Wood Grain, Black, White
Audio Quality ( Tested )
Bass Accuracy:
Low ends packs a punch that is adequate for most listeners
Offer sufficient depth and impact without overpowering the other frequencies.
Low ends are deep and tight. It is unlikely to need external subwoofer.
Dialogue & Vocal Accuracy:
Intelligible and clear vocals
Voices are rendered with precision, resulting in an immersive and engaging listening experience
Voices are loud, clear and intelligible.
Treble Accuracy
Precise and clearer highs
They strike a balance between crispness and smoothness, ensuring a pleasant listening experience without harshness or sibilance.
Higher frequencies are well-represented and accurate.
Imaging & Soundstage:
Great imaging
Offer a commendable imaging capability, allowing sound sources to be well-defined and accurately placed.
Imaging is good, soundstage is wide and
Dynamic Range:
Decent dynamic range
Speakers exhibit a wide dynamic range, effortlessly handling both soft and powerful audio passages.
Dynamic range of the speaker is good.
Power Handling:
Good power handling
They efficiently utilize power inputs, making them suitable for various listening environments.
Power handling of the speaker is good enough to produce sound for mid-sized spaces.
Frequency Response:
Wide frequency response
From the low-end to the high-end, they maintain clarity and fidelity, ensuring a well-rounded audio performance across different genres.
The speaker can deliver sound through wide frequency range with clarity.
Transient Response:
Smooth transient response
The Klipsch R-51M speakers exhibit excellent transient response, capturing the quick and precise changes in audio signals.
It has relatively good transient response.
CONNECTIVITY:
Speaker Wire Input:
Yes
Yes
Yes
Speaker Level Input
N/A
N/A
N/A
Line Level Input
N/A
N/A
N/A
Digital Input (Optical)
N/A
N/A
Yes
Digital Input (Coaxial)
N/A
N/A
Yes
RCA Input
N/A
N/A
Yes
3.5mm Stereo Analog Input
N/A
N/A
Yes
Aux Input
N/A
N/A
Yes
Bi-amp Input:
N/A
N/A
N/A
HDMI Input
N/A
N/A
N/A
USB Port
N/A
N/A
Yes
Subwoofer Output
N/A
N/A
N/A
DRIVERS
Drive Unit
2x2
2x2
2*2
Tweeter Type
Terylene dome
Tractrix Horn
silk dome tweeter
Tweeter Size (inches)
1
1-inch
13mm silk dome tweeter.
Midrange Size (inches)
N/A
N/A
Not specified
Midrange Type
N/A
N/A
Not specified
Woofer Size (inches)
6.5
5.25-inch
4 inch bass.
Woofer Type
micafortified polypropylene
Copper-spun IMG Surrounded by Rubber
Active
Other
Wireless Features
Bluetooth
N/A
N/A
Yes
Wi-Fi
N/A
N/A
N/A
Other
Size & Weight
Height (inches)
14.8
338.0mm ( 13.3-inch)
9.5 inches
Width (inches)
8.5
178.0mm ( 7.0-inch)
7 inches
Depth (inches)
13.8
215.0mm ( 8.4-inch)
5.75 inches
Weight (pounds)
17Ibs
5.00kg ( 11.00 lbs.)
10.8
Recommended Stand Height (inches)
22-26
24-28 inch
36
IN THE BOX
Accessories:
Pair of Bookshelf loudspeakers, 2 Grille, 8 Self-adhesive rubber feet, Owner's Manual, Online Product Registration
Pair of speakers,2 Grilles (installed),8 Self-adhesive rubber feet, Setup Guide.
Pair of Edifier R1280DB speakers, 2.5M speaker connecting cable, RCA cable, 3.5mm-RCA cable, fiber optic cable, manual
User manual:
Yes
Yes
Yes
Connector:
Connector Type
Single gold-plated five-way binding posts
Gold-plated binding posts
N/A
Compatible Connector Types
bare wire, pin-connectors, spade-connectors, and banana plugs (single or dual)
banana plugs
N/A
Speaker Wire Compatibility
16AWG
10AWG
standard speaker wire
Where to Buy
Ali-Expess
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